What’s the volume of a cube formed by melting three cubes with sides 4, 3 and 2 cm together?

Rooni arrives at a foundry with three cubes that are to be melted and formed into one to unlock an ancient artefact. Learn how to find the volume of a cube formed by melting smaller cubes. [Read]

What’s the angle between the clock hands when the time is 3:15?

Learn how to find the angle between the clock hands for any given time. The clock face is a circle and a circle has a total of 360 degrees all the way around its centre. Each number on the clock face represents an hour and is evenly spaced out by five minute intervals. This gives us a total of 12 equal parts. [Read]

Updated: May 2020